Finding the Third Proportional to 40,912 and 60,072

Step by Step Solution

1. Step 1: Write the proportion equation
   40,912 : 60,072 = 60,072 : x
2. Step 2: Convert to fraction form
   40,912/60,072 = 60,072/x
3. Step 3: Cross multiply
   40,912x = 60,072 × 60,072
4. Step 4: Simplify right side
   40,912x = 3,608,645,184
5. Step 5: Solve for x
   x = 3,608,645,184/40,912
6. Step 6: Final answer
   x = 88,205.05